:root {
  color-scheme: light;
  --ink: #151816; --muted: #6d736f; --canvas: #f4f5f2; --panel: #fff;
  --line: #e1e4df; --line-strong: #cfd4ce; --sidebar: #171a18;
  --green: #236b52; --green-soft: #e8f3ed; --blue: #4267d5; --blue-soft: #edf1ff;
  --violet: #7656c8; --violet-soft: #f1edff; --amber: #c77b30; --amber-soft: #fff3e5;
  --shadow: 0 10px 34px rgba(23,27,24,.06);
}
* { box-sizing: border-box; }
html, body { width: 100%; min-height: 100%; }
body { margin: 0; overflow: hidden; color: var(--ink); background: var(--canvas); font: 15px/1.55 "Segoe UI Variable", "Segoe UI", "Microsoft YaHei", sans-serif; }
button, input { font: inherit; } button { color: inherit; } h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -.025em; line-height: 1.18; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.app-shell { display: grid; grid-template-columns: 252px minmax(0,1fr); width: 100%; height: 100vh; height: 100dvh; transition: grid-template-columns .22s ease; }
.sidebar { position: relative; z-index: 20; display: flex; min-width: 0; height: 100%; padding: 18px 14px; flex-direction: column; color: #f7faf7; background: var(--sidebar); border-right: 1px solid rgba(255,255,255,.06); overflow: hidden; transition: transform .22s ease; }
.sidebar-head { display: grid; grid-template-columns: 38px minmax(0,1fr) 34px; min-height: 44px; align-items: center; gap: 10px; padding: 0 4px 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.brand-mark { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 11px; color: #171a18; background: #f3f5f2; font-weight: 900; }
.brand-copy { min-width: 0; } .brand-copy strong, .brand-copy span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand-copy strong { font-size: .93rem; } .brand-copy span { color: #929a94; font-size: .68rem; letter-spacing: .04em; }
.icon-button { display: inline-grid; width: 36px; height: 36px; padding: 0; place-items: center; border: 0; border-radius: 9px; background: transparent; cursor: pointer; }
.icon-button:hover { background: rgba(255,255,255,.08); } .sidebar-toggle { color: #929a94; }
.sidebar-nav { display: grid; gap: 4px; padding: 20px 0; }
.nav-label { margin: 0 10px 8px; color: #727a74; font-size: .68rem; font-weight: 700; letter-spacing: .12em; }
.nav-item { display: grid; grid-template-columns: 22px minmax(0,1fr); width: 100%; min-height: 44px; align-items: center; gap: 12px; padding: 0 12px; border: 0; border-radius: 10px; color: #aeb5b0; background: transparent; text-align: left; cursor: pointer; transition: .15s ease; }
.nav-item:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-item.active { color: #fff; background: rgba(255,255,255,.1); box-shadow: inset 3px 0 #92c9ad; }
.nav-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-footer { display: grid; grid-template-columns: 10px minmax(0,1fr) auto; align-items: center; gap: 10px; margin-top: auto; padding: 14px 8px 2px; border-top: 1px solid rgba(255,255,255,.08); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #61bf89; box-shadow: 0 0 0 4px rgba(97,191,137,.12); }
.sidebar-footer-copy { min-width: 0; } .sidebar-footer-copy strong, .sidebar-footer-copy span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-footer-copy strong { font-size: .75rem; } .sidebar-footer-copy span, .version { color: #929a94; font-size: .66rem; }

.app-main { display: flex; min-width: 0; height: 100%; flex-direction: column; overflow: hidden; }
.content-header { display: flex; min-height: 88px; flex: 0 0 auto; align-items: center; gap: 16px; padding: 16px clamp(22px,3vw,46px); background: rgba(255,255,255,.84); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.content-heading { min-width: 0; } .content-heading > p:first-child { margin: 0 0 2px; color: var(--green); font-size: .66rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.content-heading h1 { margin: 0; font-size: 1.42rem; } .content-heading > p:last-child { margin: 4px 0 0; color: var(--muted); font-size: .78rem; }
.header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.today-chip, .soft-badge { display: inline-flex; min-height: 30px; align-items: center; padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: rgba(255,255,255,.8); font-size: .73rem; white-space: nowrap; }
.mobile-menu { display: none; flex: 0 0 auto; }
.content-scroll { min-height: 0; flex: 1 1 auto; overflow: auto; overscroll-behavior: contain; padding: clamp(20px,3vw,38px); }
.app-view { display: none; width: min(1380px,100%); min-height: 100%; margin: 0 auto; animation: view-in .18s ease; }
.app-view.active { display: block; } @keyframes view-in { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }

.overview-hero { display: grid; grid-template-columns: minmax(0,1.6fr) minmax(260px,.7fr); min-height: 240px; align-items: end; gap: 28px; padding: clamp(28px,4vw,52px); border-radius: 24px; color: #f6faf7; background: radial-gradient(circle at 80% 10%, rgba(117,173,141,.25), transparent 22rem), linear-gradient(135deg,#1c2721,#263d31); box-shadow: var(--shadow); overflow: hidden; }
.section-kicker { display: block; margin-bottom: 10px; color: var(--green); font-size: .68rem; font-weight: 850; letter-spacing: .14em; }
.overview-hero .section-kicker { color: #91c5a9; } .overview-hero h2 { max-width: 620px; margin-bottom: 14px; font-size: clamp(2rem,4vw,3.4rem); }
.overview-hero p { max-width: 620px; margin-bottom: 0; color: #b8c6be; }
.hero-action { display: grid; width: 100%; gap: 5px; padding: 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 15px; color: #fff; background: rgba(255,255,255,.08); text-align: left; cursor: pointer; }
.hero-action:hover { background: rgba(255,255,255,.13); } .hero-action span { color: #aebdb4; font-size: .75rem; } .hero-action strong { display: flex; justify-content: space-between; gap: 12px; }

.status-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; margin: 16px 0; }
.metric { display: flex; min-width: 0; align-items: center; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); box-shadow: var(--shadow); }
.metric-icon { display: grid; width: 42px; height: 42px; flex: 0 0 auto; place-items: center; border-radius: 12px; font-size: 1rem; font-weight: 900; }
.metric-icon--blue { color: var(--blue); background: var(--blue-soft); } .metric-icon--violet { color: var(--violet); background: var(--violet-soft); } .metric-icon--green { color: var(--green); background: var(--green-soft); }
.metric div { min-width: 0; } .metric div > span, .metric small { display: block; overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; }
.metric div > span { font-size: .76rem; } .metric strong { display: block; margin: 1px 0; font-size: 1.55rem; line-height: 1.2; } .metric small { font-size: .68rem; }
.overview-grid { display: grid; grid-template-columns: minmax(0,1.7fr) minmax(280px,.7fr); gap: 16px; }
.surface { border: 1px solid var(--line); border-radius: 20px; background: var(--panel); box-shadow: var(--shadow); }
.activity-surface, .flow-surface { padding: 24px; } .surface-heading { display: flex; min-width: 0; align-items: flex-start; justify-content: space-between; gap: 20px; } .surface-heading h2, .surface-heading h3 { margin-bottom: 0; }
.quick-grid { display: grid; gap: 9px; margin-top: 18px; }
.quick-card { display: grid; grid-template-columns: 38px minmax(0,1fr) auto; width: 100%; align-items: center; gap: 12px; padding: 13px; border: 1px solid transparent; border-radius: 12px; background: #f7f8f6; text-align: left; cursor: pointer; }
.quick-card:hover { border-color: var(--line-strong); background: #fff; } .quick-card > span:nth-child(2) { min-width: 0; } .quick-card strong, .quick-card small { display: block; }
.quick-card small { overflow: hidden; color: var(--muted); font-size: .72rem; text-overflow: ellipsis; white-space: nowrap; }
.quick-icon { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 9px; color: var(--green); background: var(--green-soft); font-size: .68rem; font-weight: 850; }
.flow-list { display: grid; gap: 0; margin: 18px 0 0; padding: 0; list-style: none; } .flow-list li { position: relative; display: grid; grid-template-columns: 30px 1fr; min-height: 60px; gap: 12px; }
.flow-list li:not(:last-child)::after { position: absolute; top: 30px; bottom: 0; left: 14px; width: 1px; background: var(--line); content: ""; }
.flow-list li > span { z-index: 1; display: grid; width: 29px; height: 29px; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); background: #fff; font-size: .7rem; font-weight: 800; }
.flow-list li.done > span { color: #fff; background: var(--green); border-color: var(--green); } .flow-list li.current > span { color: var(--amber); background: var(--amber-soft); border-color: #e7b47f; }
.flow-list strong, .flow-list small { display: block; } .flow-list small { color: var(--muted); font-size: .72rem; }

.work-surface { min-height: calc(100vh - 165px); padding: clamp(22px,3vw,34px); }
.surface-intro { max-width: 760px; margin: 12px 0 0; color: var(--muted); }
.plan-form { display: grid; grid-template-columns: 170px minmax(260px,1fr) auto; align-items: end; gap: 12px; margin-top: 24px; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: #f7f8f6; }
label { color: var(--muted); font-size: .76rem; font-weight: 650; }
input[type="date"], input[type="text"], input[type="file"] { width: 100%; min-width: 0; margin-top: 6px; padding: 10px 11px; border: 1px solid var(--line-strong); border-radius: 9px; color: var(--ink); background: #fff; outline: none; }
input:focus { border-color: #7da58f; box-shadow: 0 0 0 3px rgba(35,107,82,.1); }
.primary, .secondary { min-height: 40px; padding: 9px 15px; border: 1px solid transparent; border-radius: 9px; font-weight: 750; cursor: pointer; }
.primary { color: #fff; background: var(--green); } .primary:hover { background: #1b5a44; }
.secondary { border-color: var(--line-strong); background: #fff; } .secondary:hover { background: #f5f6f4; }
.compact { min-height: 36px; padding: 7px 12px; font-size: .78rem; } .wide { width: 100%; }
.inline-message { min-height: 25px; margin: 10px 0 0; color: var(--green); font-size: .78rem; font-weight: 700; } .inline-message.error { color: #ad3d32; }
.progress-board { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin-top: 8px; }
.progress-column { min-width: 0; min-height: 340px; padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: #f5f6f4; }
.progress-column--active { background: #fff9f1; } .progress-column--done { background: #f1f7f4; }
.progress-column header, .progress-column header > div { display: flex; align-items: center; gap: 8px; } .progress-column header { justify-content: space-between; margin-bottom: 12px; }
.progress-column h3 { margin: 0; font-size: .9rem; } .column-dot { width: 7px; height: 7px; border-radius: 50%; background: #9da49f; }
.progress-column--active .column-dot { background: var(--amber); } .progress-column--done .column-dot { background: var(--green); }
.count { display: inline-grid; min-width: 24px; height: 24px; place-items: center; border-radius: 999px; color: var(--muted); background: #fff; font-size: .7rem; font-weight: 800; }
.plan-list { display: grid; gap: 9px; } .plan-card { min-width: 0; padding: 13px; border: 1px solid var(--line); border-radius: 11px; background: #fff; box-shadow: 0 5px 16px rgba(25,29,26,.04); }
.plan-card strong { display: block; overflow-wrap: anywhere; } .plan-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 11px; }
.plan-actions button { min-height: 30px; padding: 5px 9px; border: 1px solid var(--line); border-radius: 7px; background: #fff; font-size: .7rem; font-weight: 700; cursor: pointer; }
.plan-actions button:hover { background: #f4f6f4; } .plan-actions button.complete { color: #fff; background: var(--green); border-color: var(--green); }
.plan-empty { margin: 0; padding: 34px 4px; color: #8d948f; font-size: .76rem; text-align: center; }

.focused-surface { width: min(680px,100%); min-height: calc(100vh - 165px); margin: 0 auto; padding: clamp(28px,5vw,52px); }
.focused-surface h2 { margin: 4px 0 12px; font-size: clamp(1.8rem,4vw,2.7rem); }
.feature-icon { display: grid; width: 48px; height: 48px; margin-bottom: 28px; place-items: center; border-radius: 13px; font-size: 1.1rem; font-weight: 900; }
.feature-icon--blue { color: var(--blue); background: var(--blue-soft); } .feature-icon--violet { color: var(--violet); background: var(--violet-soft); }
.stack-form { display: grid; gap: 12px; margin-top: 28px; }
.file-drop { display: grid; min-height: 190px; place-items: center; align-content: center; gap: 5px; border: 1px dashed #b8c0ba; border-radius: 14px; background: #f8f9f7; cursor: pointer; text-align: center; }
.file-drop:hover { border-color: var(--green); background: var(--green-soft); } .file-drop input { width: min(360px,calc(100% - 28px)); } .file-drop small { color: var(--muted); font-weight: 400; }
.drop-icon { display: grid; width: 38px; height: 38px; margin-bottom: 4px; place-items: center; border-radius: 50%; color: var(--green); background: var(--green-soft); font-size: 1rem; }
.privacy-note { display: flex; gap: 12px; margin-top: 22px; padding: 13px; border-radius: 10px; color: var(--muted); background: #f6f7f5; font-size: .72rem; } .privacy-note strong { flex: 0 0 auto; color: var(--ink); }
.report-settings { display: grid; margin-top: 28px; border: 1px solid var(--line); border-radius: 13px; overflow: hidden; }
.report-settings label, .setting-row { padding: 14px 16px; background: #f9faf8; } .setting-row { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: .76rem; } .setting-row strong { color: var(--ink); }
.report-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }

.report-list { display: grid; gap: 8px; margin-top: 22px; } .report-card { display: grid; grid-template-columns: 120px minmax(0,1fr) auto; align-items: center; gap: 18px; padding: 15px 4px; border-top: 1px solid var(--line); }
.report-card p { min-width: 0; margin: 0; overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; } .report-card .actions { display: flex; align-items: center; gap: 8px; }
.report-card button { min-height: 32px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 7px; background: #fff; cursor: pointer; } .report-card a { color: var(--green); font-size: .74rem; font-weight: 750; text-decoration: none; }
.empty { padding: 34px 0; color: var(--muted); }
.app-toast { position: fixed; right: 24px; bottom: 22px; z-index: 50; max-width: min(420px,calc(100% - 32px)); min-height: 0; padding: 0; border-radius: 10px; color: #fff; background: #242a26; box-shadow: 0 16px 44px rgba(0,0,0,.18); font-size: .8rem; font-weight: 700; opacity: 0; transform: translateY(10px); pointer-events: none; transition: .18s ease; }
.app-toast:not(:empty) { padding: 11px 14px; opacity: 1; transform: none; } .app-toast.error { background: #9b3e35; }
dialog { width: min(820px,calc(100% - 32px)); max-height: 85vh; padding: 28px; border: 0; border-radius: 18px; box-shadow: 0 30px 100px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(13,18,15,.58); backdrop-filter: blur(3px); } .close { float: right; font-size: 1.4rem; } .close:hover { background: #f2f3f1; }
.report-section { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); } .report-section li { margin-bottom: 8px; } .sidebar-backdrop { display: none; }

.sidebar-collapsed .app-shell { grid-template-columns: 78px minmax(0,1fr); }
.sidebar-collapsed .sidebar { padding-inline: 12px; } .sidebar-collapsed .sidebar-head { grid-template-columns: 38px; justify-content: center; }
.sidebar-collapsed .brand-copy, .sidebar-collapsed .nav-label, .sidebar-collapsed .nav-item span, .sidebar-collapsed .sidebar-footer-copy, .sidebar-collapsed .sidebar-footer .version { display: none; }
.sidebar-collapsed .sidebar-toggle { position: absolute; top: 70px; left: 21px; } .sidebar-collapsed .sidebar-toggle svg { transform: rotate(180deg); }
.sidebar-collapsed .sidebar-nav { padding-top: 58px; } .sidebar-collapsed .nav-item { grid-template-columns: 22px; justify-content: center; padding: 0; }
.sidebar-collapsed .sidebar-footer { grid-template-columns: 10px; justify-content: center; }

@media (max-width: 1040px) { .overview-hero { grid-template-columns: 1fr; } .overview-grid { grid-template-columns: 1fr; } .flow-surface { display: none; } }
@media (max-width: 820px) {
  .app-shell, .sidebar-collapsed .app-shell { grid-template-columns: minmax(0,1fr); }
  .sidebar, .sidebar-collapsed .sidebar { position: fixed; inset: 0 auto 0 0; width: min(286px,calc(100vw - 42px)); padding: 18px 14px; transform: translateX(-102%); box-shadow: 22px 0 70px rgba(0,0,0,.25); }
  .sidebar-open .sidebar { transform: translateX(0); } .sidebar-open .sidebar-backdrop { position: fixed; inset: 0; z-index: 15; display: block; border: 0; background: rgba(15,18,16,.45); }
  .sidebar-collapsed .sidebar-head, .sidebar-head { grid-template-columns: 38px minmax(0,1fr) 34px; justify-content: initial; }
  .sidebar-collapsed .brand-copy, .sidebar-collapsed .nav-label, .sidebar-collapsed .nav-item span, .sidebar-collapsed .sidebar-footer-copy, .sidebar-collapsed .sidebar-footer .version { display: block; }
  .sidebar-collapsed .sidebar-toggle { position: static; } .sidebar-collapsed .sidebar-toggle svg { transform: none; }
  .sidebar-collapsed .sidebar-nav, .sidebar-nav { padding-top: 20px; } .sidebar-collapsed .nav-item, .nav-item { grid-template-columns: 22px minmax(0,1fr); justify-content: initial; padding: 0 12px; }
  .sidebar-collapsed .sidebar-footer, .sidebar-footer { grid-template-columns: 10px minmax(0,1fr) auto; justify-content: initial; }
  .mobile-menu { display: inline-grid; } .content-header { min-height: 78px; padding: 12px 16px; } .content-heading > p:last-child, .today-chip { display: none; }
  .content-scroll { padding: 16px; } .work-surface, .focused-surface { min-height: calc(100vh - 110px); }
}
@media (max-width: 680px) {
  .header-actions .primary { display: none; } .overview-hero { min-height: 260px; padding: 26px 22px; } .overview-hero h2 { font-size: 2rem; }
  .status-grid { grid-template-columns: 1fr; } .metric { padding: 14px; } .plan-form, .progress-board, .report-actions { grid-template-columns: minmax(0,1fr); }
  .progress-column { min-height: 220px; } .report-card { grid-template-columns: 1fr; gap: 5px; } .report-card p { white-space: normal; }
  .focused-surface, .work-surface { padding: 22px 18px; } .privacy-note { display: grid; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }